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Plastic Limit Pressure Solutions for Elbows With Slant Through-Wall Cracks
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: For leak-before-break (LBB) assessment, an idealized through-wall crack (TWC) is typically postulated to determine the critical crack length of cracked piping. However, such an idealization in terms of crack shape can lead ...
A New Stress Intensification Factor of Pipe-In-Pipes Based on Finite Element Analyses
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: For the design of a transmission piping system, a stress intensification factor (SIF) is generally used for the stress calculations of piping components due to external forces, and the solutions for the single-walled piping ...
Engineering Approach Based on Reference Stress Concept for Calculating J and Crack Opening Displacement of Complex-Cracked Pipes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this study, an engineering approach for estimations of fracture mechanics parameters, i.e., J-integral and crack opening displacement (COD), for complex-cracked pipes was suggested based on reference stress concept, ...
Plastic Limit Loads for Pipe-in-Pipes With Circumferential Through-Wall Cracks Based on Finite Element Analyses
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Pipe-in-pipes (PIPs) are generally applied to the extreme environments such as deep-sea and next-generation reactors due to their functionality and robustness. Thus, it is important to estimate the fracture behaviors of ...
Modified Dyson Continuum Damage Model for Austenitic Steel Alloy
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Ultrasuper critical (USC) thermal plants are now in operation around the globe. Their applications include superheaters and reheaters, which generally require high temperature/pressure conditions. To withstand these harsh ...
Numerical Validations of Flaw Shape Idealization Methods to Burst Pressure Estimations of Steam Generator Tube With Axial Surface Flaws
Publisher: The American Society of Mechanical Engineers (ASME)